Research Laying Groundwork for Off-World Colonies

Space economy estimated at $1.1 trillion by 2040

Before civilization can move off-world it must make sure its structures work on the extraterrestrial foundations upon which they will be built.

University of Central Florida researchers are already laying the groundwork for the off-world jump by creating standards for extraterrestrial surfaces. Their work was detailed recently in a study published in the journal Icarus.

“I’m firmly convinced that by the end of the century there will be more economic activity off planet Earth than on planet Earth,” says Phil Metzger, a planetary scientist at UCF and lead author of the study.

According to the wealth management company, Morgan Stanley estimates the space economy will be worth more than $1.1 trillion by 2040.

“With economics moving in that direction, it’s important for us to get a head start trying to create the regulatory and engineering environments to make sure everything is done safely and justly,” Metzger says.

In the study, Metzger and the team of researchers outlined standards for simulated extraterrestrial surface material and then applied the standards to a simulated extraterrestrial surface material created in the Center for Lunar and Asteroid Surface Science’s Exolith Lab housed at UCF.

This standardization is highly needed, Metzger said, as previous attempts at creating simulated extraterrestrial surface material have used everything from floral foam to beach sand.

If tests are performed on simulant that isn’t similar to the real thing or is not suited for that test, then it makes the test results invalid, Metzger said.

“We have to communicate what the properties are so everyone knows its limitations so they won’t use it for a test it wasn’t designed to simulate,” Metzger said.

Standardization will also allow researchers to more accurately compare test results across studies as standardized simulants will have properties that will not vary test to test.

The researchers also applied their standards to a simulant created in UCF’s Exolith Lab called UCF/DSI-CI-2. They compared the results to measures of Orgueil, a meteorite that fell in France in 1864.

Meteorites are meteors that survive entry through Earth’s atmosphere and land on the surface. Meteorites are often correlated to certain asteroid types and may be used as reference material for creating asteroid simulant in lieu of having access to an actual asteroid for comparison.

(Photo by ESO)

The simulant UCF/DSI-CI-2 received a magnetic susceptibility score, or figure of merit, of .96, which means it is a 96 percent match with Orgueil. Similarly, it received an elemental score of .94 and a mineralogical score of .83. The other five properties the researchers measured also had high scores.

“We’re delighted we could get such a high-fidelity simulant,” Metzger said. “The fact that we were able to replicate those eight properties with such high fidelity tells us that these simulants will be very valuable for companies doing asteroid mining, doing tests of constructions of facilities and landing pads, metal extraction and more.”

UCF researchers were able to create the simulant using particle-size data from the meteorite while also creating the grading standard, said Dan Britt, a Pegasus professor of astronomy and planetary sciences in UCF’s Department of Physics. Britt is head of the Exolith lab and a co-author of the study.

“I think we did a good job of producing a simulant that mimics the parent asteroidal material pretty well,” Britt said. “The limitations are really expense and safety, as some components can be toxic, so we use a lower-fidelity alternative. This gives the meteorite and space resources communities material that they can experiment on with some assurance that it is close to the real thing. That way they are not constrained by the scarcity of meteorite material or its high price.”

Metzger said the research team will continue to grade simulants created in the Exolith Lab as well as offer their grading system to simulants created in other labs. They will also be receiving feedback from the community about improvements in the grading system and will work with the American Society of Civil Engineers for consensus on having the grading standards adopted.

Alex Jones breaks down how these plans have been in the works for decades because they actually want to keep the tech for themselves so they can rule over the population.

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